FeaturesThe Avaya 1603-I is a three line IP phone that is great for common areas, break rooms, and warehouse applications. It is a good choice for users with lower call volumes.2 row x 16 character white backlit displaySupports 3-line appearances with dual LEDs Fixed feature buttons include volume up/down, mute, speaker, menu, hold, conference, transfer, drop, redialHigh-quality 2-way speakerphoneMessage waiting indicatorReversible wedge stand for desktop and wall-mount useFirmware upgradeable8 personalized ring patternsSingle Ethernet port Static or dynamic address assignmentPowered via 802.3af Power over Ethernet when equipped with optional in-stand splitter or optional 5V local power supply (sold separately; see drop down option above)CompatibilityThe Avaya 1603 IP phone is compatible with IP Office 6.0 or higher and Avaya Communication Manager 3.0 or higherIncludes RefurbishedLibrary Avaya 1603 1603SW 1603-I 1603SW I IP User Guide.pdf
